This massive statue of John Muir on the side of a California highway was carved from a redwood tree.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

The world’s first stop-motion film was created on the racetrack outside this building.

This massive redwood tree has stood in Northern California for nearly 2,000 years.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A working model of the entire San Francisco Bay and much of the Sacramento River Delta, complete with regular tides that change every 14 minutes.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

This massive redwood tree has a drive-thru tunnel carved out of its trunk.

This natural marble cave is one of only five national monuments in Oregon.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

The longest living non-clonal organisms on Earth.

The unusual patterns in this rock formation result from two distinct modes of weathering.

Rippling sand dunes frozen in the Arizona rock.

The location along the shores of the Great Salt Lake of what was once called, "The Coney Island of the West", now sits barren due to arson and time.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

For over a century, it has been a tradition to raise a flag at the top of this 450-foot sandstone pillar on the 4th of July.

Largest man-made excavation on earth!

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This geothermal hot spring hides beneath a slowly growing mineral dome.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."